mautrix-whatsapp/database/portal.go

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// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
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// Copyright (C) 2020 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package database
import (
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"database/sql"
"strings"
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log "maunium.net/go/maulogger/v2"
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"github.com/Rhymen/go-whatsapp"
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"maunium.net/go/mautrix/id"
)
type PortalKey struct {
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JID whatsapp.JID
Receiver whatsapp.JID
}
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func GroupPortalKey(jid whatsapp.JID) PortalKey {
return PortalKey{
JID: jid,
Receiver: jid,
}
}
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func NewPortalKey(jid, receiver whatsapp.JID) PortalKey {
if strings.HasSuffix(jid, "@g.us") {
receiver = jid
}
return PortalKey{
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JID: jid,
Receiver: receiver,
}
}
func (key PortalKey) String() string {
if key.Receiver == key.JID {
return key.JID
}
return key.JID + "-" + key.Receiver
}
type PortalQuery struct {
db *Database
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log log.Logger
}
func (pq *PortalQuery) New() *Portal {
return &Portal{
db: pq.db,
log: pq.log,
}
}
func (pq *PortalQuery) GetAll() []*Portal {
return pq.getAll("SELECT * FROM portal")
}
func (pq *PortalQuery) GetByJID(key PortalKey) *Portal {
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return pq.get("SELECT * FROM portal WHERE jid=$1 AND receiver=$2", key.JID, key.Receiver)
}
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func (pq *PortalQuery) GetByMXID(mxid id.RoomID) *Portal {
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return pq.get("SELECT * FROM portal WHERE mxid=$1", mxid)
}
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func (pq *PortalQuery) GetAllByJID(jid whatsapp.JID) []*Portal {
return pq.getAll("SELECT * FROM portal WHERE jid=$1", jid)
}
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func (pq *PortalQuery) FindPrivateChats(receiver whatsapp.JID) []*Portal {
return pq.getAll("SELECT * FROM portal WHERE receiver=$1 AND jid LIKE '%@s.whatsapp.net'", receiver)
}
func (pq *PortalQuery) getAll(query string, args ...interface{}) (portals []*Portal) {
rows, err := pq.db.Query(query, args...)
if err != nil || rows == nil {
return nil
}
defer rows.Close()
for rows.Next() {
portals = append(portals, pq.New().Scan(rows))
}
return
}
func (pq *PortalQuery) get(query string, args ...interface{}) *Portal {
row := pq.db.QueryRow(query, args...)
if row == nil {
return nil
}
return pq.New().Scan(row)
}
type Portal struct {
db *Database
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log log.Logger
Key PortalKey
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MXID id.RoomID
Name string
Topic string
Avatar string
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AvatarURL id.ContentURI
Encrypted bool
}
func (portal *Portal) Scan(row Scannable) *Portal {
var mxid, avatarURL sql.NullString
err := row.Scan(&portal.Key.JID, &portal.Key.Receiver, &mxid, &portal.Name, &portal.Topic, &portal.Avatar, &avatarURL, &portal.Encrypted)
if err != nil {
if err != sql.ErrNoRows {
portal.log.Errorln("Database scan failed:", err)
}
return nil
}
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portal.MXID = id.RoomID(mxid.String)
portal.AvatarURL, _ = id.ParseContentURI(avatarURL.String)
return portal
}
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func (portal *Portal) mxidPtr() *id.RoomID {
if len(portal.MXID) > 0 {
return &portal.MXID
}
return nil
}
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func (portal *Portal) Insert() {
_, err := portal.db.Exec("INSERT INTO portal (jid, receiver, mxid, name, topic, avatar, avatar_url, encrypted) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)",
portal.Key.JID, portal.Key.Receiver, portal.mxidPtr(), portal.Name, portal.Topic, portal.Avatar, portal.AvatarURL.String(), portal.Encrypted)
if err != nil {
portal.log.Warnfln("Failed to insert %s: %v", portal.Key, err)
}
}
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func (portal *Portal) Update() {
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var mxid *id.RoomID
if len(portal.MXID) > 0 {
mxid = &portal.MXID
}
_, err := portal.db.Exec("UPDATE portal SET mxid=$1, name=$2, topic=$3, avatar=$4, avatar_url=$5, encrypted=$6 WHERE jid=$7 AND receiver=$8",
mxid, portal.Name, portal.Topic, portal.Avatar, portal.AvatarURL.String(), portal.Encrypted, portal.Key.JID, portal.Key.Receiver)
if err != nil {
portal.log.Warnfln("Failed to update %s: %v", portal.Key, err)
}
}
func (portal *Portal) Delete() {
_, err := portal.db.Exec("DELETE FROM portal WHERE jid=$1 AND receiver=$2", portal.Key.JID, portal.Key.Receiver)
if err != nil {
portal.log.Warnfln("Failed to delete %s: %v", portal.Key, err)
}
}
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func (portal *Portal) GetUserIDs() []id.UserID {
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rows, err := portal.db.Query(`SELECT "user".mxid FROM "user", user_portal
WHERE "user".jid=user_portal.user_jid
AND user_portal.portal_jid=$1
AND user_portal.portal_receiver=$2`,
portal.Key.JID, portal.Key.Receiver)
if err != nil {
portal.log.Debugln("Failed to get portal user ids:", err)
return nil
}
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var userIDs []id.UserID
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for rows.Next() {
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var userID id.UserID
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err = rows.Scan(&userID)
if err != nil {
portal.log.Warnln("Failed to scan row:", err)
continue
}
userIDs = append(userIDs, userID)
}
return userIDs
}